U7 Concept 1

Multiple Choice

Which of the following best describes kinetic energy?

• Energy stored in an object

• Energy in motion

• Energy lost as heat

• Energy created from chemical reactions

Multiple Choice

Which statement best describes the motion of particles according to the kinetic-molecular theory?

• Particles are stationary.

• Particles move in constant random motion.

• Particles only move when heated.

• Particles move in a predictable pattern.

Multiple Choice

Adding thermal energy to matter casues its particles to _________________.

• move slower
• move faster
• melt
• feeze

Multiple Choice

Which of the following are the main states of matter?

• Solid, Liquid, Gas, Plasma

• Solid, Liquid, Gas

• Solid, Gas, Plasma

• Liquid, Gas, Plasma

Multiple Select

According to the kinetic-molecular theory as it applies to gases, which statements are true?

• Gases have the most kinetic energy.

• Gases have attractive forces between particles.

• Gases consist of lots of tiny particles that are far apart.

• Gases have elastic collisions.

Multiple Choice

Which property of ideal gases allows them to fill any container they are placed in?

• Expansion

• Compressibility

• Low density

• Fluidity

Multiple Choice

Which of the following statements about liquids is correct based on their intermolecular forces?

• Liquids have weaker intermolecular forces than gases.

• Liquids have stronger intermolecular forces than gases.

• Liquids have no intermolecular forces.

• Liquids have the same intermolecular forces as solids.

Multiple Select

Select all the properties that are true for both gases and liquids.

• Fluidity

• Compressibility

• Ability to diffuse

• Relatively high density

Multiple Choice

Which property of liquids allows a water strider to walk on water?

• Surface tension

• Capillary action

• Viscosity

• Density

Multiple Select

Which of the following statements about solids are correct?

• Solids have a definite shape and volume.

• Particles in solids have the highest kinetic energy.

• Solids have the strongest intermolecular forces.

• Particles in solids vibrate in place.

Multiple Choice

Which state of matter is the most common in the universe but the least common on Earth?

• Solid

• Liquid

• Gas

• Plasma

Multiple Choice

Of these three states of matter, which one has the most kinetic energy? 

• Solid 
• Liquid 
• Gas

Multiple Choice

Which states of matter are fluid?

• gases and liquids

• liquids and solids

• gases only

• liquids only